<template>
    <div>
      <div class="search">
        <el-input placeholder="请输入商品名称查询" style="width: 200px" v-model="name"></el-input>
        <el-button type="info" plain style="margin-left: 10px" @click="load(1)">查询</el-button>
        <el-button type="warning" plain style="margin-left: 10px" @click="reset">重置</el-button>
      </div>
  
      <div class="operation">
        <el-button type="primary" plain @click="handleAdd">新增</el-button>
        <el-button type="danger" plain @click="delBatch">批量删除</el-button>
      </div>
  
      <div class="table">
        <el-table :data="tableData" stripe  @selection-change="handleSelectionChange">
          <el-table-column type="selection" width="55" align="center"></el-table-column>
          <el-table-column prop="id" label="序号" width="80" align="center" sortable></el-table-column>
          <el-table-column label="商品主图">
            <template v-slot="scope">
              <div style="display: flex; align-items: center">
                <el-image style="width: 40px; height: 40px; " v-if="scope.row.img"
                          :src="scope.row.img" :preview-src-list="[scope.row.img]"></el-image>
              </div>
            </template>
          </el-table-column>
          <el-table-column prop="name" label="商品名称" show-overflow-tooltip></el-table-column>
          <el-table-column prop="description" label="商品描述">
            <template slot-scope="scope">
              <el-button type="success" @click="viewEditor(scope.row.description)">点击查看</el-button>
            </template>
          </el-table-column>
          <el-table-column prop="price" label="商品价格" show-overflow-tooltip></el-table-column>
          <el-table-column prop="unit" label="计件单位" show-overflow-tooltip></el-table-column>
          <el-table-column prop="typeName" label="商品分类" show-overflow-tooltip></el-table-column>
          <el-table-column prop="businessName" label="所属商家" show-overflow-tooltip></el-table-column>
          <el-table-column prop="count" label="商品销量" show-overflow-tooltip></el-table-column>
          <el-table-column label="操作" width="180" align="center">
            <template v-slot="scope">
              <el-button plain type="primary" @click="handleEdit(scope.row)" size="mini">编辑</el-button>
              <el-button plain type="danger" size="mini" @click=del(scope.row.id)>删除</el-button>
            </template>
          </el-table-column>
        </el-table>
  
        <div class="pagination">
          <el-pagination
              background
              @current-change="handleCurrentChange"
              :current-page="pageNum"
              :page-sizes="[5, 10, 20]"
              :page-size="pageSize"
              layout="total, prev, pager, next"
              :total="total">
          </el-pagination>
        </div>
      </div>
  
  
      <el-dialog title="信息" :visible.sync="fromVisible" width="40%" :close-on-click-modal="false" destroy-on-close @close="cancel">
        <el-form label-width="100px" style="padding-right: 50px" :model="form" :rules="rules" ref="formRef">
          <el-form-item label="商品主图">
            <el-upload
                class="avatar-uploader"
                :action="$baseUrl + '/files/upload'"
                :headers="{ token: user.token }"
                list-type="picture"
                :on-success="handleAvatarSuccess"
            >
              <el-button type="primary">上传图片</el-button>
            </el-upload>
          </el-form-item>
          <el-form-item prop="name" label="商品名称">
            <el-input v-model="form.name" autocomplete="off"></el-input>
          </el-form-item>
          <el-form-item prop="name" label="商品价格">
            <el-input v-model="form.price" autocomplete="off"></el-input>
          </el-form-item>
          <el-form-item prop="typeId" label="商品分类">
            <el-select v-model="form.typeId" placeholder="请选择分类" style="width: 100%">
              <el-option v-for="item in typeData" :label="item.name" :value="item.id" :key="item.id"></el-option>
            </el-select>
          </el-form-item>
          <el-form-item prop="unit" label="计件单位">
            <el-input v-model="form.unit" autocomplete="off"></el-input>
          </el-form-item>
          <el-form-item prop="description" label="商品介绍">
            <div id="editor" style="width: 100%;"></div>
          </el-form-item>
        </el-form>
        <div slot="footer" class="dialog-footer">
          <el-button @click="cancel">取 消</el-button>
          <el-button type="primary" @click="save">确 定</el-button>
        </div>
      </el-dialog>
  
      <!-- 点击查看：对话框 -->
      <el-dialog title="商品介绍" :visible.sync="editorVisible" width="50%">
        <div v-html="this.viewData" class="w-e-text"></div>
      </el-dialog>
  
    </div>
  </template>
  
  <script>
 import E from 'wangeditor'

  let editor
function initWangEditor(content) {	setTimeout(() => {
  if (!editor) {
    editor = new E('#editor')
    editor.config.placeholder = '请输入内容'
    editor.config.uploadFileName = 'file'
    editor.config.uploadImgServer = 'http://localhost:9090/files/wang/upload'
    editor.create()
  }
  editor.txt.html(content)
}, 0)
} 

  export default {
    name: "Notice",
    data() {
      return {
        tableData: [],  // 所有的数据
        pageNum: 1,   // 当前的页码
        pageSize: 10,  // 每页显示的个数
        total: 0,
        name: null,
        fromVisible: false,
        editorVisible: false,
        viewData: null,
        form: {},
        user: JSON.parse(localStorage.getItem('xm-user') || '{}'),
        rules: {
          title: [
            {required: true, name: '请输入商品名称', trigger: 'blur'},
          ],
          content: [
            {required: true, img: '请输上传商品图主图', trigger: 'blur'},
          ]
        },
        ids: [],
        typeData: [],
      }
    },
    created() {
      this.load(1)
      this.loadType()
    },
    methods: {
      viewEditor(content) {
        this.viewData = content
        this.editorVisible = true
      },
      loadType() {
        this.$request.get('/type/selectAll').then(res => {
          if (res.code === '200') {
            this.typeData = res.data
          } else {
            this.$message.error(res.msg)
          }
        })
      },
      handleAdd() {   // 新增数据
        if ('审核通过' !== this.user.status) {
          this.$message.warning('您的店铺信息还未审核通过，暂时不允许发布商品')
          return
        }
        initWangEditor('')
        this.form = {}  // 新增数据的时候清空数据
        this.fromVisible = true   // 打开弹窗
      },
      handleEdit(row) {   // 编辑数据
        this.form = JSON.parse(JSON.stringify(row))  // 给form对象赋值  注意要深拷贝数据
        this.fromVisible = true   // 打开弹窗
        initWangEditor(this.form.description || '')
      },
      save() {   // 保存按钮触发的逻辑  它会触发新增或者更新
        this.$refs.formRef.validate((valid) => {
          if (valid) {
            this.form.description = editor.txt.html()
            this.$request({
              url: this.form.id ? '/goods/update' : '/goods/add',
              method: this.form.id ? 'PUT' : 'POST',
              data: this.form
            }).then(res => {
              if (res.code === '200') {  // 表示成功保存
                this.$message.success('保存成功')
                location.href = '/goods'
                this.fromVisible = false
              } else {
                this.$message.error(res.msg)  // 弹出错误的信息
              }
            })
          }
        })
      },
      cancel() {
        this.fromVisible = false
        location.href = '/goods'
      },
      del(id) {   // 单个删除
        this.$confirm('您确定删除吗？', '确认删除', {type: "warning"}).then(response => {
          this.$request.delete('/goods/delete/' + id).then(res => {
            if (res.code === '200') {   // 表示操作成功
              this.$message.success('操作成功')
              this.load(1)
            } else {
              this.$message.error(res.msg)  // 弹出错误的信息
            }
          })
        }).catch(() => {
        })
      },
      handleSelectionChange(rows) {   // 当前选中的所有的行数据
        this.ids = rows.map(v => v.id)   //  [1,2]
      },
      delBatch() {   // 批量删除
        if (!this.ids.length) {
          this.$message.warning('请选择数据')
          return
        }
        this.$confirm('您确定批量删除这些数据吗？', '确认删除', {type: "warning"}).then(response => {
          this.$request.delete('/goods/delete/batch', {data: this.ids}).then(res => {
            if (res.code === '200') {   // 表示操作成功
              this.$message.success('操作成功')
              this.load(1)
            } else {
              this.$message.error(res.msg)  // 弹出错误的信息
            }
          })
        }).catch(() => {
        })
      },
      load(pageNum) {  // 分页查询
        if (pageNum) this.pageNum = pageNum
        this.$request.get('/goods/selectPage', {
          params: {
            pageNum: this.pageNum,
            pageSize: this.pageSize,
            name: this.name,
          }
        }).then(res => {
          this.tableData = res.data?.list
          this.total = res.data?.total
        })
      },
      reset() {
        this.name = null
        this.load(1)
      },
      handleCurrentChange(pageNum) {
        this.load(pageNum)
      },
      handleAvatarSuccess(response, file, fileList) {
        this.form.img = response.data
      },
    }
  }
  </script>
  
  <style scoped>
  
  </style>
  